10/4/2012 Temperature and Release Summary for Shasta and Trinity - September 2012

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) in CFS

Control Control

TCD SHD minus Point Point Shasta Spring Crk 

Wt. TCD 4/16 to 5/31 6/1 to 9/30 Generation Powerplant 

Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo Dgc El 815 Release 

Aug 50.6 49.5 57.0 51.7 54.0 55.1 55.5 57.2 51.1 52.7 57.0 10,372 1,459 

Sep

1 49.8 (1.1) 48.7 56.9 51.1 53.4 54.5 54.9 56.6 49.4 52.1 56.0 51.9 7,748 1,529 

2 49.8 (1.0) 48.8 56.9 51.1 53.3 54.3 54.7 56.2 49.1 52.1 55.9 52.0 7,987 1,528 3 49.9 (1.1) 48.8 56.8 51.0 53.4 54.5 55.0 56.5 49.1 52.1 56.4 52.0 8,023 1,530 4 50.0 (1.1) 48.9 56.8 51.2 53.5 54.6 55.1 56.8 49.2 52.2 56.3 52.2 8,059 1,528 5 50.0 (1.1) 48.9 56.7 51.0 53.3 54.6 55.0 56.6 49.2 52.1 56.0 52.0 7,197 1,166 6 49.9 (0.9) 49.0 56.6 51.3 53.7 55.1 55.7 57.3 49.4 52.5 56.7 52.5 6,660 1,498 7 50.0 (1.1) 48.9 56.5 51.5 53.9 55.2 55.8 57.5 49.4 52.6 56.4 52.7 6,675 1,557 8 50.1 (1.1) 49.0 56.5 51.5 54.0 55.5 56.1 57.9 49.5 52.7 56.9 52.8 6,721 1,568 9 50.3 (1.3) 49.0 56.5 51.5 54.2 55.5 56.0 57.9 49.2 52.8 56.6 51.9 6,757 1,561 

10 50.1 (1.1) 49.0 56.5 51.5 54.0 55.2 55.8 57.7 49.2 52.7 56.3 52.0 7,016 1,387 11 50.1 (1.0) 49.1 56.5 51.4 54.2 55.3 55.8 57.6 49.2 52.6 56.5 51.9 6,890 1,110 12 50.1 (1.1) 49.0 56.4 51.3 ? 54.1 55.4 55.9 57.7 49.2 52.5 56.2 51.9 5,593 1,116 

13 50.4 (1.3) 49.1 56.4 51.6 54.3 55.5 56.0 57.8 49.0 52.7 56.5 52.0 5,808 1,381 

14 50.4 (1.3) 49.1 56.3 51.7 54.5 55.6 56.3 57.9 49.1 52.8 56.4 51.9 5,779 1,382 15 50.4 (1.3) 49.1 56.3 51.9 54.8 55.9 56.5 58.2 49.1 53.2 56.4 52.0 5,723 1,356 16 50.4 (1.2) 49.2 56.3 52.0 54.5 55.7 56.3 58.1 49.2 53.1 55.8 51.7 5,500 1,329 17 50.4 (1.0) 49.4 56.2 51.9 54.6 55.8 56.3 58.0 49.1 53.1 55.8 51.6 5,905 1,376 18 50.4 (1.0) 49.4 56.2 52.0 54.7 55.9 56.5 58.3 49.3 53.0 56.2 51.8 5,459 1,467 19 50.3 (0.9) 49.4 56.1 52.1 54.6 55.8 56.2 58.0 50.0 53.1 56.2 52.5 5,729 1,506 20 50.5 (1.1) 49.4 56.2 51.9 54.5 55.6 56.0 57.9 50.2 52.9 55.7 53.2 6,035 1,193 

21 49 1 48 7 56 1 51 8 54 4 55 6 56 1 57 7 50 2 52 9 55 8 53 2 5 462 1 175 

Mean Daily Relea

21 49.1 (0.4) 48.7 56.1 51.8 54.4 55.6 56.1 57.7 50.2 52.9 55.8 53.2 5,462 1,175 

22 49.2 (0.9) 48.3 56.1 51.7 54.5 55.6 56.1 57.6 50.2 52.9 55.9 52.9 5,354 1,529 23 49.2 (0.9) 48.3 56.0 51.2 54.3 55.5 56.1 57.8 50.5 52.4 56.3 54.1 4,886 1,517 24 49.3 (0.9) 48.4 56.0 51.5 54.0 55.2 55.7 57.4 50.2 52.5 56.5 53.3 5,110 1,544 25 49.4 (0.9) 48.5 56.0 51.1 54.0 55.2 55.6 57.2 50.3 52.2 56.5 53.0 5,364 1,544 26 49.5 (0.8) 48.7 55.9 51.0 53.7 54.9 55.3 56.8 49.9 52.2 56.6 53.0 4,981 1,506 27 49.5 (0.8) 48.7 55.9 51.4 53.9 55.1 55.5 56.9 49.8 52.5 56.6 52.9 4,825 1,559 28 49.4 (0.8) 48.6 55.8 51.5 54.1 55.3 55.7 57.0 49.8 52.7 56.5 53.1 4,545 1,616 29 49.5 (0.9) 48.6 55.8 51.6 54.2 55.4 55.7 57.0 49.6 52.9 56.6 52.7 4,628 1,606 30 49.5 (0.9) 48.6 55.8 51.7 54.2 55.3 55.7 57.0 49.7 52.8 56.5 52.4 4,547 1,644 

0.0

Avg 49.9 48.9 56.3 51.5 54.1 55.3 55.8 57.4 49.5 52.6 56.3 6,032 1,444 Tot cfs 180,966 43,308 Tot af 358,946 85,901 

# = Station out of service ^ - estimated (7 hours or less available) ? = Avg. includes estimated data! = 17 hours or less of readings & = 18 to 23 hours of reading ND = No hourly readings or incorrect 

Control Point: Balls Ferry 4/16/2012 to 5/31/2012; Jellys Ferry 6/1/2012 to 9/30/2012.

V:\~WATER\_res_ops\Tempmodel\~sactemp\2012TempFiles\[09_2012 Monthly Summary.xls]Sac Riv Temps